CN2884056Y - Two-stage pulse tube refrigerating device with coaxially arranged cold accumulator - Google Patents
Two-stage pulse tube refrigerating device with coaxially arranged cold accumulator Download PDFInfo
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- CN2884056Y CN2884056Y CNU2005201365447U CN200520136544U CN2884056Y CN 2884056 Y CN2884056 Y CN 2884056Y CN U2005201365447 U CNU2005201365447 U CN U2005201365447U CN 200520136544 U CN200520136544 U CN 200520136544U CN 2884056 Y CN2884056 Y CN 2884056Y
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- 238000005057 refrigeration Methods 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 239000004744 fabric Substances 0.000 claims description 18
- 229910001220 stainless steel Inorganic materials 0.000 claims description 18
- 239000010935 stainless steel Substances 0.000 claims description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- 210000000056 organ Anatomy 0.000 claims description 8
- 210000003462 vein Anatomy 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 3
- 230000002427 irreversible effect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002792 vascular Effects 0.000 description 2
- 241000238366 Cephalopoda Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000002595 cold damage Effects 0.000 description 1
- -1 cryobiology Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000004297 night vision Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002887 superconductor Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/14—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle
- F25B9/145—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle pulse-tube cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/14—Compression machines, plants or systems characterised by the cycle used
- F25B2309/1406—Pulse-tube cycles with pulse tube in co-axial or concentric geometrical arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/14—Compression machines, plants or systems characterised by the cycle used
- F25B2309/1408—Pulse-tube cycles with pulse tube having U-turn or L-turn type geometrical arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/14—Compression machines, plants or systems characterised by the cycle used
- F25B2309/1424—Pulse tubes with basic schematic including an orifice and a reservoir
- F25B2309/14241—Pulse tubes with basic schematic including an orifice reservoir multiple inlet pulse tube
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/10—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point with several cooling stages
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
本实用新型涉及一种蓄冷器同轴布置的两级脉冲管制冷装置，包括：压缩机；通过进气管与压缩机相连通的热端换热器；和一级及二级制冷机；一级和二级制冷机并联地安装于热端换热器；一级制冷机的脉冲管和蓄冷器为并列布置的U型或同轴结构；二级制冷机的脉冲管和蓄冷器为并列布置的U型结构；一级气库通过第一热端调相机构与一级脉冲管相连；二级气库通过第二热端调相机构与二级脉冲管相连通；所述热端调相机构均由串连的惯性管、小孔阀和双向阀组成。其各级制冷机具有独立气路，各级蓄冷器同轴布置，利用一级制冷机对二级制冷机高温段预冷却，具有级联热损失小、结构简单紧凑、便于调节工作参数，可达到更低制冷温度和获得更大制冷量等优点。
The utility model relates to a two-stage pulse tube refrigeration device coaxially arranged with a regenerator, comprising: a compressor; a hot-end heat exchanger connected with the compressor through an intake pipe; and a first-stage and a second-stage refrigerator; Installed in parallel with the secondary refrigerator on the hot end heat exchanger; the pulse tube and cold storage of the primary refrigerator are U-shaped or coaxial structures arranged in parallel; the pulse tube and cold storage of the secondary refrigerator are arranged in parallel U-shaped structure; the first-level gas storage is connected to the first-level pulse tube through the first hot-end phase adjustment mechanism; the second-level gas storage is connected to the second-level pulse tube through the second hot-end phase adjustment mechanism; the hot-end phase adjustment mechanism Both are composed of serially connected inertial tubes, small orifice valves and two-way valves. Its refrigerators at all levels have independent gas paths, and the regenerators at all levels are arranged coaxially. The high-temperature section of the secondary refrigerator is pre-cooled by the first-stage refrigerator. It has small cascading heat loss, simple and compact structure, and is easy to adjust working parameters. Achieve lower cooling temperature and obtain greater cooling capacity and other advantages.
Description
Technical field
The utility model belongs to refrigeration and cryogenic technique field, particularly a kind of two-stage pulse tube refrigeration device of regenerator coaxial arrangement.
Background technology
The small-sized Cryo Refrigerator background that has a wide range of applications in many fields such as military affairs, space technology, low-temperature electronics, cryogenic medicine, cryobiology, natural gas liquefactions.In recent years, the importance of small-sized low-temperature refrigeration technology in civilian science and technology and science and techniques of defence increases day by day.Along with various infrared and superconducting electronics Device and products enter the practicability stage, small-sized Cryo Refrigerator has obtained developing rapidly, for these relevant technology device low temperature provide effective low temperature cold source, guarantees its operate as normal.
Pulse tube refrigerating machine is to obtain a kind of gas back-heating type mechanical refrigerator of developing rapidly in recent years.It has advantages such as simple in structure, reliable, that mechanical oscillation are little, efficient is high, the life-span is long.Particularly with the obvious advantage aspect anti-electromagnetic interference, reduction vibration and long-life.It can cooperate the small-sized extraordinary instrument of formation with various devices, at military weapon (as night vision device), superconductor technology (as the SQUID device), scientific research and industry (as thermal infrared imager), medical instruments and equipment (as medical local MRI), fields such as (superconduction filters), mobile communication base station has bigger superiority and application prospects.
Pulse tube refrigerating machine mainly is made up of compressor, regenerator, pulse tube and various hot junctions phase modulating mechanism.Mainly contain 3 kinds of arrangements at present, i.e. linear pattern, parallel type (U type) and coaxial type.Difference is that mainly the connected mode between pulse tube and the regenerator is different with the position.The regenerator of linear pattern pulse tube refrigerating machine and pulse tube are arranged point-blank, so the flow resistance minimum, but because cold head is positioned at the middle part of refrigerator, are unfavorable for device coupling and structure not compact; The coaxial type pulse tube refrigerating machine, pulse tube is set in the regenerator, both coaxial arrangement, its compact conformation, cold head can be directly and the device coupling, and shortcoming is that pulse tube and regenerator axial-temperature gradient are inconsistent, makes between the two coupling conduct heat and increase, turn to 180 degree when working medium is flowed through the pulse tube cold head in addition, flow resistance is big and Flow Field Distribution is even inadequately; U type pulse tube refrigerating machine is arranged in juxtaposition pulse tube and regenerator, compare with linear pattern, its advantage be cold head in the same side, be convenient to and device coupling, compare with coaxial type, efficient is higher.
Generally, the single-stage pulse tube refrigerating machine directly is reduced to the big difficulty of the following warm area existence of 20K.Reduce cryogenic temperature for further, and satisfy the needs of different warm area refrigerating capacitys, need to adopt multistage arrangement.
The frame mode of known two-stage pulse tube has following three kinds of arrangements: one, and adopt the hot junction of vasculars at different levels all to be in room temperature, cold junction and regenerator at the same level link, and regenerators at different levels are same gas circuit, can reduce cold damage like this, are referred to as parallel organization.But gas influenced each other between this structure was at different levels, should not carry out the reasonable distribution of gas and the optimization of operation running parameter.Its two, the hot junction of next stage pulse tube refrigerating machine links to each other with the cold junction of upper level vascular refrigerator, with the hot junction of level refrigeration machine after the prime refrigeration machine direct precooling.Be referred to as serial structure.This structure is not easy to the optimization to the hot junction phase modulating mechanism of back level pulse tube refrigerating machine.Its three, adopt pulse tube refrigerating machines at different levels separate, with the cold junction of prime pulse tube refrigerating machine middle part by heat bridge cooling next stage regenerator.Can avoid the phase mutual interference between at different levels like this, be convenient to adopt respectively different phase modulating mechanisms, frequency, parameters such as the blowing pressure are carried out performance optimization.But this arrangement structure is not compact, and level heat bridge junction, front and back irreversible loss is bigger, and there is the bigger temperature difference one-level cold head and secondary regenerator junction, can not reach the purpose of abundant precooling.
Summary of the invention
The purpose of this utility model is: in order to overcome the deficiency of existing two-stage pulse tube refrigerating machine arrangement, and provide a kind of two-stage pulse tube refrigeration device of regenerator coaxial arrangement; This refrigerating plant can not only reduce the heat exchange loss between the I and II, but also saved heat bridge, structure is compact more, and can optimize respectively I and II pulse tube refrigerating machine running parameter and hot junction phase modulating mechanism, thereby reaches better refrigeration.
The technical solution of the utility model is as follows:
The two-stage pulse tube refrigeration device of the regenerator coaxial arrangement that the utility model provides comprises:
One or two compressors;
A hot end heat exchanger 5 that is connected with described at least one compressor by air inlet pipe 2; With
One-level refrigeration machine and two stage cooler; It is characterized in that,
Described one-level refrigeration machine and two stage cooler are installed on hot end heat exchanger 5 in parallel;
The pulse tube of described one-level refrigeration machine and regenerator adopt U type structure or the coaxial configuration that is arranged in juxtaposition;
The pulse tube of described two stage cooler and regenerator adopt the U type structure that is arranged in juxtaposition;
The one-level air reservoir 10 of described one-level refrigeration machine links to each other with the one-level pulse tube 7 of one-level refrigeration machine by the first hot junction phase modulating mechanism; The described first hot junction phase modulating mechanism is made up of first inertia tube 9, the first aperture valve 4 and first two-way valve 3 of polyphone;
The secondary air reservoir 18 of described two stage cooler is connected with the secondary vein washing pipe 15 of two stage cooler by the second hot junction phase modulating mechanism; The described second hot junction phase modulating mechanism is made up of second inertia tube 17, the second aperture valve 16 and second two-way valve 11 of polyphone.
One-level regenerator 6 casing packs of described one-level refrigeration machine have the stainless steel cloth thin slice that closely laminates, middle part filling red copper heat exchanger in its pipe; High temperature section is filled with the stainless steel cloth thin slice that closely laminates in secondary regenerator 13 pipes of described two stage cooler, and low-temperature zone 13 is filled with stainless steel cloth thin slice+little shot, filling red copper heat exchanger between the high low temperature level regenerator in the pipe.The one-level cold head 8 of described one-level refrigeration machine and the secondary cold head 14 of two stage cooler are the cold head of red copper material.
Described one-level refrigeration machine cold head also can link to each other with secondary vein washing pipe middle part.
The two-stage pulse tube refrigeration device of regenerator coaxial arrangement of the present utility model, pulse tube refrigerating machines at different levels have independent gas circuit, pulse tube refrigerating machine is by one or the driving of two compressors, regenerator coaxial arrangement at different levels, utilize first order refrigeration machine to carry out pre-cooled to the high temperature section of second level refrigeration machine, have the cascade heat loss little, simple and compact for structure, be convenient to regulate running parameter, can reach lower cryogenic temperature and obtain bigger advantages such as refrigerating capacity.
Description of drawings
Fig. 1 is the structural representation of the two-stage pulse tube refrigeration device (separate unit driven compressor) of regenerator coaxial arrangement of the present utility model;
Fig. 2 is the structural representation of the two-stage pulse tube refrigeration device (driving of two compressors) of regenerator coaxial arrangement of the present utility model;
Fig. 3 is the structural representation of the two-stage pulse tube refrigeration device (the one-level refrigeration-grade is a coaxial configuration) of regenerator coaxial arrangement of the present utility model;
Wherein: compressor 1,19 air inlet pipe 2 first two-way valves 3
The first aperture valve, 4 hot end heat exchangers, 5 one-level regenerators 6
One-level cold head 8 one-level pulse tubes 7 first inertia tubes 9
11 grades of high temperature levels of first air reservoir, 10 second two-way valves regenerator
Two grade low-temp level regenerators, 13 secondary cold heads, 14 secondary vein washing pipes 15
The second aperture valve, 16 second inertia tubes, 17 second air reservoirs 18
The specific embodiment
Further describe the utility model below in conjunction with drawings and Examples.
Fig. 1 and Fig. 2 are the structural representation of two embodiment of the present utility model; Have figure as can be known, the two-stage pulse tube refrigeration device of the regenerator coaxial arrangement that the utility model provides comprises:
One or two compressors;
A hot end heat exchanger 5 that is connected with described at least one compressor by air inlet pipe 2; With
One-level refrigeration machine and two stage cooler; It is characterized in that,
Described one-level refrigeration machine and two stage cooler are installed on hot end heat exchanger 5 in parallel;
The pulse tube of described one-level refrigeration machine and regenerator adopt U type structure or the coaxial configuration that is arranged in juxtaposition;
The pulse tube of described two stage cooler and regenerator adopt the U type structure that is arranged in juxtaposition;
The one-level air reservoir 10 of described one-level refrigeration machine links to each other with the one-level pulse tube 7 of one-level refrigeration machine by the first hot junction phase modulating mechanism; The described first hot junction phase modulating mechanism is made up of first inertia tube 9, the first aperture valve 4 and first two-way valve 3 of polyphone;
The secondary air reservoir 18 of described two stage cooler is connected with the secondary vein washing pipe 15 of two stage cooler by the second hot junction phase modulating mechanism; The described second hot junction phase modulating mechanism is made up of second inertia tube 17, the second aperture valve 16 and second two-way valve of polyphone.
One-level regenerator 6 casing packs of described one-level refrigeration machine have the stainless steel cloth thin slice that closely laminates, middle part filling red copper heat exchanger in its pipe; High temperature section 12 is filled with the stainless steel cloth thin slice that closely laminates in the secondary cold-storage organ pipe of described two stage cooler, and low-temperature zone 13 is filled with stainless steel cloth thin slice+little shot, filling red copper heat exchanger between the high low temperature level regenerator in the pipe.The one-level cold head 8 of described one-level refrigeration machine and the secondary cold head 14 of two stage cooler are the cold head of red copper material.
The structural representation of the two-stage pulse tube refrigeration device (separate unit driven compressor) of Fig. 1 regenerator coaxial arrangement of the present utility model: working medium is come out from one first compressor 1, enter hot end heat exchanger 5 by air inlet pipe 2, wherein a part of working medium enters one-level regenerator 6, another part working medium enters secondary regenerator 12, the one-level pulse tube 7 of one-level pulse tube refrigerating machine and one-level regenerator 6 adopt the U type structure that is arranged in juxtaposition, and the stainless steel cloth thin slice that closely laminates is coaxial to be filled in one-level regenerator 6 and the secondary regenerator 13; Also be filled with the red copper heat exchanger of good heat conductivity in the middle part of wherein in two-stage cold-storage organ pipe; One-level pulse tube 7 back connect hot junction phase modulating mechanism (aperture+two-way+inertia tube+air reservoir).The secondary pulse tube refrigerating machine also adopts U type structure, and secondary cold-storage organ pipe inside is that high temperature section 12 is made up of the stainless steel cloth thin slice of tight compacting, and low-temperature zone 13 is filled by stainless steel cloth thin slice+little shot and formed.Pulse tube back, the second level also is connected with the hot junction phase modulating mechanism.The I and II cold head is the red copper material.
Fig. 2 is the structural representation of the two-stage pulse tube refrigeration device (driving of two compressors) of regenerator coaxial arrangement of the present utility model: for the one-level pulse tube refrigerating machine, it is linked to each other by the one-level regenerator 6 of a compressor 1 by air inlet pipe 2 and process hot end heat exchanger 5 and one-level pulse tube refrigerating machine, the one-level pulse tube 7 of one-level pulse tube refrigerating machine and one-level regenerator 6 adopt the U type structure that is arranged in juxtaposition, cold-storage organ pipe inside is made up of the stainless steel cloth thin slice of tight compacting, coaxial being filled in one-level regenerator 6 and the secondary regenerator 12,13.Wherein be filled with the red copper heat exchanger of good heat conductivity at two-stage regenerator middle part.One-level pulse tube 7 back connect hot junction phase modulating mechanism (aperture+two-way+inertia tube+air reservoir).For the secondary pulse tube refrigerating machine, it is linked to each other with the regenerator 12 of secondary pulse tube refrigerating machine by tube connector and through the hot junction flange by another compressor 11, the secondary pulse tube refrigerating machine also adopts U type structure, secondary cold-storage organ pipe inside is that high temperature section is made up of the stainless steel cloth thin slice of tight compacting, and low-temperature zone is filled by stainless steel cloth thin slice+little shot and formed.Secondary vein washing pipe back also is connected with the hot junction phase modulating mechanism.The I and II cold head is the red copper material.
Fig. 3 is the structural representation of the two-stage pulse tube refrigeration device (one-level refrigeration machine coaxial configuration) of regenerator coaxial arrangement of the present utility model: for the one-level pulse tube refrigerating machine, it is linked to each other by the one-level regenerator 6 of a compressor 1 by air inlet pipe 2 and process hot end heat exchanger 5 and one-level pulse tube refrigerating machine, the one-level pulse tube 7 of one-level pulse tube refrigerating machine and one-level regenerator 6 adopt the coaxial arrangement structure, cold-storage organ pipe inside is made up of the stainless steel cloth thin slice of tight compacting, coaxial being filled in one-level regenerator 6 and the secondary regenerator 12,13.Wherein be filled with the red copper heat exchanger of good heat conductivity at two-stage regenerator middle part.One-level pulse tube 7 back connect hot junction phase modulating mechanism (aperture+two-way+inertia tube+air reservoir).For the secondary pulse tube refrigerating machine, it is linked to each other with the regenerator 12 of secondary pulse tube refrigerating machine by tube connector and through the hot junction flange by another compressor 11, the secondary pulse tube refrigerating machine adopts U type structure, secondary cold-storage organ pipe inside is that high temperature section is made up of the stainless steel cloth thin slice of tight compacting, and low-temperature zone is filled by stainless steel cloth thin slice+little shot and formed.Secondary vein washing pipe back also is connected with the hot junction phase modulating mechanism.The I and II cold head is the red copper material.
Operation principle of the present utility model is that the temperature in the first order regenerator will be lower than the high temperature section of second level regenerator, adopts the coaxial sheathed layout of regenerator, can make the I and II regenerator along Cheng Huanre, thereby reduce heat transfer temperature difference.Promptly reduce the irreversible heat loss of heat exchange.Thereby reduce the temperature of second level regenerator.Make second level pulse tube refrigerating machine can reach a lower cryogenic temperature.
Claims (3)
1, a kind of two-stage pulse tube refrigeration device of regenerator coaxial arrangement comprises:
One or two compressors;
A hot end heat exchanger (5) that is connected with described at least one compressor by air inlet pipe (2); With
One-level refrigeration machine and two stage cooler; It is characterized in that,
Described one-level refrigeration machine and two stage cooler are installed on hot end heat exchanger (5) in parallel;
The pulse tube of described one-level refrigeration machine and regenerator adopt U type structure or the coaxial configuration that is arranged in juxtaposition;
The pulse tube of described two stage cooler and regenerator adopt the U type structure that is arranged in juxtaposition;
The one-level air reservoir (10) of described one-level refrigeration machine links to each other with the one-level pulse tube (7) of one-level refrigeration machine by the first hot junction phase modulating mechanism; The described first hot junction phase modulating mechanism is made up of first inertia tube (9), the first little ports valve (4) and first two-way valve (3) of polyphone;
The secondary air reservoir (18) of described two stage cooler is connected with the secondary vein washing pipe (15) of two stage cooler by the second hot junction phase modulating mechanism; The described second hot junction phase modulating mechanism is made up of second inertia tube (17), the second little ports valve (16) and second two-way valve (11) of polyphone.
2, by the two-stage pulse tube refrigeration device of the described regenerator coaxial arrangement of claim 1, it is characterized in that one-level regenerator (6) casing pack of described one-level refrigeration machine has the stainless steel cloth thin slice that closely laminates, middle part filling red copper heat exchanger in its pipe; High temperature section (12) is filled with the stainless steel cloth thin slice that closely laminates in the secondary cold-storage organ pipe of described two stage cooler, and low-temperature zone (13) is filled with stainless steel cloth thin slice+little shot in the pipe, middle part filling red copper heat exchanger in the pipe.
3, by the two-stage pulse tube refrigeration device of the described regenerator coaxial arrangement of claim 1, it is characterized in that the one-level cold head (8) of described one-level refrigeration machine and the secondary cold head (14) of two stage cooler are the cold head of red copper material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201365447U CN2884056Y (en) | 2005-12-20 | 2005-12-20 | Two-stage pulse tube refrigerating device with coaxially arranged cold accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201365447U CN2884056Y (en) | 2005-12-20 | 2005-12-20 | Two-stage pulse tube refrigerating device with coaxially arranged cold accumulator |
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| CN2884056Y true CN2884056Y (en) | 2007-03-28 |
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| CNU2005201365447U Expired - Fee Related CN2884056Y (en) | 2005-12-20 | 2005-12-20 | Two-stage pulse tube refrigerating device with coaxially arranged cold accumulator |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011000228A1 (en) * | 2009-06-29 | 2011-01-06 | 浙江大学 | Pulse tube refrigerator modulating phase via inertance tube and acoustic amplifier thereof |
| CN102042711A (en) * | 2010-11-26 | 2011-05-04 | 中国科学院上海技术物理研究所 | Integrated slit cold head of U-shaped pulse tube refrigerating machine and manufacturing method |
| CN103673370A (en) * | 2012-09-25 | 2014-03-26 | 中国科学院理化技术研究所 | Gas coupling type multi-stage pulse tube refrigerator |
| CN104534720A (en) * | 2014-08-15 | 2015-04-22 | 中国科学院上海技术物理研究所 | Structure of coaxial pulse tube refrigerating machine cooling high-temperature superconducting filter and manufacturing method |
| CN104807233A (en) * | 2015-03-30 | 2015-07-29 | 中国科学院理化技术研究所 | Gas coupling type high-frequency pulse tube refrigerator |
| CN104949403A (en) * | 2015-06-18 | 2015-09-30 | 浙江大学 | Low-temperature refrigerator valve group and GM type pulse tube refrigerator |
| CN105371538A (en) * | 2015-03-31 | 2016-03-02 | 中国科学院上海技术物理研究所 | Gas distribution type regenerator device of pulse tube refrigerator |
| CN110145884A (en) * | 2018-02-11 | 2019-08-20 | 北京俊懿科技有限公司 | A multi-temperature cold source acquisition device for a cryogenic refrigerator |
| CN111928513A (en) * | 2020-09-10 | 2020-11-13 | 付柏山 | Novel pulse tube refrigerator |
| CN113091342A (en) * | 2021-03-12 | 2021-07-09 | 同济大学 | Pulse tube refrigerator with inertia tube and small hole valve for common phase modulation |
| CN113154714A (en) * | 2021-03-11 | 2021-07-23 | 中国科学院上海技术物理研究所 | Channel type cold end heat exchanger of gas coupling pulse tube refrigerator and implementation method |
| CN113899100A (en) * | 2021-11-11 | 2022-01-07 | 上海海洋大学 | Electro-optical device for cooling two-band infrared detection devices by two-stage pulse tube refrigerator |
| CN116734498A (en) * | 2022-03-02 | 2023-09-12 | 中国科学院理化技术研究所 | Air coupling type multi-stage pulse tube refrigerator |
-
2005
- 2005-12-20 CN CNU2005201365447U patent/CN2884056Y/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011000228A1 (en) * | 2009-06-29 | 2011-01-06 | 浙江大学 | Pulse tube refrigerator modulating phase via inertance tube and acoustic amplifier thereof |
| US8695356B2 (en) | 2009-06-29 | 2014-04-15 | Zhejiang University | Pulse tube cryocooler modulating phase via inertance tube and acoustic power amplifier thereof |
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| CN104949403A (en) * | 2015-06-18 | 2015-09-30 | 浙江大学 | Low-temperature refrigerator valve group and GM type pulse tube refrigerator |
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| CN113154714A (en) * | 2021-03-11 | 2021-07-23 | 中国科学院上海技术物理研究所 | Channel type cold end heat exchanger of gas coupling pulse tube refrigerator and implementation method |
| CN113091342A (en) * | 2021-03-12 | 2021-07-09 | 同济大学 | Pulse tube refrigerator with inertia tube and small hole valve for common phase modulation |
| CN113091342B (en) * | 2021-03-12 | 2022-07-05 | 同济大学 | A pulse tube refrigerator with co-phase modulation of inertia tube and small hole valve |
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